var el = instance.ActiveTab.FindElementByXPath("//select[@aria-labelledby='cultureLabelId']", 0);
el.SetValue(ZennoPoster.Parser.ParseByXpath(el.OuterHtml, ".//option", "OuterHtml").ToList().FindIndex(x => x.Contains(@"value=""ru-RU""")).ToString(), "None", false);
el.RiseEvent("onchange", "Full");